package com.cy.pj.common.config;


import org.apache.shiro.cache.CacheManager;
import org.apache.shiro.cache.MemoryConstrainedCacheManager;
import org.apache.shiro.mgt.RememberMeManager;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.realm.Realm;
import org.apache.shiro.session.mgt.SessionManager;
import org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.CookieRememberMeManager;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.apache.shiro.web.servlet.SimpleCookie;
import org.apache.shiro.web.session.mgt.DefaultWebSessionManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;

@Configuration
public class SpringShiroConfig {

    @Bean
    public SecurityManager securityManager(Realm realm,CacheManager cacheManager,
                                           RememberMeManager rememberMeManager,
                                           SessionManager sessionManager){
        DefaultWebSecurityManager sManager=new DefaultWebSecurityManager();
        sManager.setRealm(realm);
        sManager.setCacheManager(cacheManager);
        sManager.setRememberMeManager(rememberMeManager);
        sManager.setSessionManager(sessionManager);
        return sManager;
    }

    @Bean
    public ShiroFilterFactoryBean shiroFilterFactoryBean(@Autowired SecurityManager securityManager){
        //1.构建对象
        ShiroFilterFactoryBean sfBean = new ShiroFilterFactoryBean();
        //2.设置安全认证授权对象
        sfBean.setSecurityManager(securityManager);
        //3.设置登录页面
        sfBean.setLoginUrl("/doLoginUI");
        //4.设置过滤规则z
        LinkedHashMap<String,String> map = new LinkedHashMap<>();
        map.put("/bower_components/**","anon");
        map.put("/build/**","anon");
        map.put("/dist/**","anon");
        map.put("/plugins/**","anon");
        map.put("/user/doLogin","anon");
        map.put("/doLogout","logout");
        //除了匿名访问的资源,其它都要认证("authc")后访问
        map.put("/**","user");
        sfBean.setFilterChainDefinitionMap(map);
        return sfBean;
    }

    @Bean
    public AuthorizationAttributeSourceAdvisor
    authorizationAttributeSourceAdvisor (
            SecurityManager sManager) {
        AuthorizationAttributeSourceAdvisor advisor=
                new AuthorizationAttributeSourceAdvisor();
        advisor.setSecurityManager(sManager);
        return advisor;
    }

    @Bean
    public CacheManager shiroCacheManger(){
        return new MemoryConstrainedCacheManager();
    }

    @Bean
    public RememberMeManager rememberMeManager(){
        CookieRememberMeManager cookieRememberMeManager=new CookieRememberMeManager();
        SimpleCookie cookie = new SimpleCookie("rememberMe");
        cookie.setMaxAge(7*24*60*60);
        cookieRememberMeManager.setCookie(cookie);
        return cookieRememberMeManager;
    }

    @Bean
    public SessionManager sessionManager() {
        DefaultWebSessionManager sManager= new DefaultWebSessionManager();
        sManager.setGlobalSessionTimeout(60*60*1000);
        return sManager;
    }

}
